Zocus gives you remote control of the Zoom and Focus of your DSLR Camera Lens. Move the two touchscreen sliders and control the Zoom or Focus of your Lens - wirelessly. The App works via Bluetooth to drive the 3D Printable Zocus Rig to control the Lens.

Download the part files, code and guide at

The Rig was designed as part of a BBC Documentary about designers helping people with disabilities - in this case how to operate a Camera Lens with limited dexterity in your hands. However, the App and Rig has been popular with filmmakers and photographers alike. Customise it to suit your creative needs.

Features include:
- Wide Zoom/Focus sweep (90 degrees rotation).
- High Torque.
- Allows calibration and saves pre-set lenses.
- Able to design your own lens attachments.
- Open Source code, component files and instructions.

This project was brought together by:
* Jude Pullen - Concept & Zocus Rig design
* Ross Atkin - Zocus Rig firmware
* Akram Hussein - Zocus iOS App and development

What’s New

Version 1.0.1

This app has been updated by Apple to use the latest Apple signing certificate.

Bug fixes

App Privacy

The developer, Ross Atkin, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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